Finding the Third Proportional to 2,176,712 and 3,431,988

Step by Step Solution

1. Step 1: Write the proportion equation
   2,176,712 : 3,431,988 = 3,431,988 : x
2. Step 2: Convert to fraction form
   2,176,712/3,431,988 = 3,431,988/x
3. Step 3: Cross multiply
   2,176,712x = 3,431,988 × 3,431,988
4. Step 4: Simplify right side
   2,176,712x = 11,778,541,632,144
5. Step 5: Solve for x
   x = 11,778,541,632,144/2,176,712
6. Step 6: Final answer
   x = 5,411,162.17